JP2006183423A - Drain plug device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drain plug device which enables a drain inlet member and a drain joint to be connected to each other by using the drain joint as a popularly-priced product having an opening edge with a flange formed in a bent shape, when the drain joint is connected to an drain inlet member by preventing a malfunction from being caused by the reconnection of a release wire by a field worker on a construction site, and preventing damage to the release wire. <P>SOLUTION: In shipping, a flange 9 of a holder 12b is placed on the flange 7a at an opening end in the state of circumferentially turning the drain joint 7, so that the side of one end of a release A, which is connected by inserting the drain joint 7 into an operation part 12 of a drain plug mechanism 2, can be directed in a required pull-out direction; a cap nut 102 for being latched to the flange 7a from below is connected to the drain inlet member 101 by screw-fitting; and the operation part 12 of the drain plug mechanism 2 is mounted by sandwiching the holder 12b between the flange 7a and a lower end of the drain inlet member 101. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention is a wash basin, a drain plug device such as a sink, and more specifically, the operation force of the operation unit is transmitted to the drain plug device with a release wire introduced from the side of a drain joint connected to the drain port member, The present invention relates to a drain plug device that operates the drain plug mechanism to open and close the drain port.

The drain plug device is connected to the drain port member attached to the bottom of the water tank, such as a basin, sink, etc., with the upper end of the drain joint connecting the lower end to the drain pipe, and the remote control release is inserted into the drain joint from the side. And it connects with the action | operation part of a drain plug mechanism, and transmits the operating force of an operation part to a drain plug mechanism.
In a specific example of the drain plug device, an engaging step surface for a holder that supports the operating portion of the drain plug mechanism is provided on the inner surface of the drain joint connected to the drain port member, and the drain joint is drained at the tip of the drain joint. A guide riser cylinder that is attached to the inner surface of the mouth member is formed upright, and the other end of the remote control release inserted into the drainage joint is connected to the operating portion of the drainage plug mechanism, while the holder is connected to the engagement step surface. After the flat packing is placed on the flange of the drainage joint open edge, the guide riser tube is used as a guide to fit the drainage joint to the drainage port member, and then the cap nut is screwed to the drainage port member. Fitting and connecting the drainage port member without rotating the drainage joint (see Patent Document 1), separating the flange and the guide riser tube from the drainage joint, and holding the flange and guide for the holder The start-up tube is molded integrally Having a structure in which recessed engaging recess for engaging the holder on the tip outer peripheral surface of the drain fitting (see Patent Document 2) is present.
In Patent Documents 1 and 2, the direction of pulling out from the drain joint of the remote control release is required, and the drain joint can be connected to the drain port member without rotating the drain joint. Problems due to reconnection of the release (operation failure due to imperfect connection (screwing) to the working part on the other end of the release caused by the connection of field workers at the construction site, the other end of the release is tilted by mistake The quality guaranteed by the manufacturer, such as being damaged by being connected in a shape, can be eliminated.

However, in Patent Documents 1 and 2, a drainage joint with a special structure in which an engagement step portion is recessed on the inner surface and a guide rising cylinder portion is formed on the tip, or a special structure in which an engagement recess is recessed on the tip peripheral surface. It is necessary to produce a dedicated drainage joint for the structure, and it cannot be provided at a low price.
JP 2001-342658 A JP 2002-88852 A

  The present invention has been made in view of the above-mentioned conventional circumstances, and the purpose of the process is to prevent malfunctions caused by reconnection of the release wire by the field worker at the construction site and damage to the release wire, and to drain the drain port member. An object of the present invention is to provide a drain plug device that can connect a drain port member and a drainage joint using a popular drainage joint having a bent flange at the open edge when connecting the joint.

The technical means taken in order to solve the above problem is that one end side of the release wire is connected to the operation portion, and the other end side of the release wire is connected to a drain outlet member at the bottom of the water tank such as a wash basin or a sink. Inserted into the drainage joint and connected to the working part of the drainage plug mechanism, and connected to the drain port member without rotating the drainage joint, and the transmission force from the release wire is controlled by the operation of the operation part. In the drain plug device that opens and closes the drain plug by transmitting to the operating portion, the flange of the drain joint opening edge and the drain port member when the edge of the holder that supports the operating portion of the drain plug mechanism is connected to the drain port member of the drain joint The drain plug device is characterized in that the drain plug mechanism is attached to the lower end of the drain plug mechanism (claim 1).
Here, as a means for connecting the drain joint without rotating the drain joint, for example, a cap nut can be proposed as one type.
Further, the actuating part is configured to incorporate a thrust lock mechanism or accommodate the other end side of the inner wire so as to be able to advance and retreat in order to push the plug shaft directly or indirectly. In the latter case, the drain plug is opened and closed by alternately repeating the lock and unlock by pushing, the drain plug is opened by pushing, and the plug is closed by pulling.

  According to the above means, the drainage joint is arranged in the circumferential direction so that the release faces the required pull-out direction without releasing the connection with the working part of the drainage plug mechanism connected to the other end of the release at the time of shipment. The holder collar is placed on the flange at the open end in a state of being rotated, and the cap nut that is hooked on the flange from below is connected to the drain port member by screwing. At the same time, the flange and the lower end of the drain port member are connected. The operating part of the drain plug mechanism can be attached by holding the holder.

  Then, the edge of the holder is constituted by a hook, and a U-packing is fitted to the hook, and the U-packing is pressed at the time of the connection so that the space between the drain port member and the holder and between the holder and the drainage joint are watertight. It is optimal if it is configured to do so (claim 2).

  According to the above means, the seal means (U packing) is held so as not to drop at the time of shipment, and is pressed simultaneously with connecting the drainage joint to the drainage port member to make watertight between the drainage joint, the holder and the drainage port member.

As described above, according to the present invention, when a drain joint is connected to a drain outlet member by preventing a malfunction due to reconnection of a release by a field worker and damage to the release at a construction site, only a horizontal flange is bent at an open edge. It is possible to connect to the drainage port member using the popular drainage joint formed in the shape, and to reduce the manufacturing cost.
The drainage joint can be easily manufactured by processing from a thin metal pipe and is very inexpensive.
Moreover, when sealing the space between the drainage joint, the holder, and the drain port member, the holder that supports the working part of the drain plug mechanism can be used as the mounting part to hold the U-packing in advance. It is possible to simplify the assembling work by eliminating the hassle of arranging and interposing the packing at a required place.

  Next, an embodiment of the drain plug device of the present invention will be described with reference to FIGS. 1 to 7. Reference numeral B represents the drain plug device.

  The drain plug device A includes a drain port member 102, a tightening nut 103 that is screwed onto an outer screw on the outer periphery of the lower half of the drain port member 101 via a packing, and a cap nut 102 at the lower end of the drain port member 101. The drainage joint 7, the operation part 1, the operation part 12 of the drain plug mechanism 2, one end side is connected to the operation part 1, and the other end side is connected to the operation part 12. It is composed of a drawn release wire A or the like.

  As shown in FIG. 5, the release wire A is provided with joint members a3 at both ends of an outer tube a1 that slidably guides the inner wire a2, and a thrust lock mechanism (not shown) at the joint member a3 on one end side. Is connected to the connecting cylinder a4 having a built-in screw, and the operating portion 12 of the drain plug mechanism 2 can be connected to the joint member a3 on the other end side by screwing.

The connecting cylinder a4 is configured to engage and disengage the main body cylinder a4 ′ containing a thrust lock mechanism (not shown) with the operation cylinder 11 with a snap fit SF.
The snap fit SF includes an insertion guide protrusion a4 ″ that protrudes coaxially upward from the tip of the main body cylinder a4 ′, an engagement groove 11a provided near the lower end of the operation cylinder 11, and the main body cylinder a4 ′. An engaging claw 3 is provided on the outer periphery at a distance and is detachably engaged with the engaging groove 11a.

As shown in FIG. 3 and the like, the operation unit 1 places the locking rod 11b provided around the upper end on the upper surface c1 of the wash basin, sink, etc. An operation shaft 11c which is arranged to penetrate and has an operation button 11c ′ at the upper end is inserted into the tube hole 11d of the operation tube 11 so as to be slidable up and down, and is screwed into the locking rod 11b and the outer peripheral surface of the operation tube 11. The operating cylinder 11 is attached so as to sandwich the upper edge surface c1 with a fixing nut 4 screwed into the screw portion 11e.
In addition, as shown in FIG. 4, the operation unit 1 may have a spout (water faucet fitting) SP as an attachment portion. In this case, the operation tube 11 is screwed into a screw hole provided in the spout. 11c is an operating shaft.

  The insertion guide projection a4 ″ is a cylindrical portion, and has an outer diameter substantially the same as the cylindrical hole 11d of the operation cylinder 11, and the connection cylinder a4 is inserted coaxially with the operation cylinder 11. The time guide function is demonstrated.

As shown in FIGS. 3, 5 to 7, and the like, the engaging claws 3 are arranged to face each other with the cylinder core of the connection cylinder a <b> 4 interposed therebetween, and the claw portions 13 project inwardly at the upper ends thereof. The middle half part is integrally supported on the outer peripheral surface of the connection cylinder a4, and the upper half part 33 having the claw part 13 is elastically outwardly elastically deformed by artificially grasping the lower half part 23. It is formed so as to tilt.
The engaging claw 3 is provided with a non-slip portion 23a projectingly formed on the outer surface of the lower half portion 23 so that the gripping finger does not slip.

On the other hand, the operating cylinder 11 has a required range between the engaging groove 11a and the lower end formed by an upward outward taper portion 11f, and the remote guide release by the guide function for the operating cylinder 11 of the insertion guide protrusion a4 ". By inserting A, the claw portion 13 is expanded and deformed outward by the upward outward taper portion 11f, and the claw portion 13 is engaged with the engagement groove 11a by the deformation restoring force without disturbing its entry. The upward and outward taper portion 11f is sandwiched between the claw portion 13 and the step surface 5 at the upper end of the connecting tube a4.
Reference numeral 6 denotes a sealing O-ring.

  The thrust lock mechanism (not shown) alternates between locking and unlocking each time the operating button 11c ′ is pushed, the internal meshing body descends against the spring force of the spring, and every time the operating button 11c ′ is lowered. This is a well-known ratchet mechanism that repeatedly pushes down the inner wire a2 as the meshing member descends, and is supported at the opposite end of the inner wire so as to be movable up and down by an operating portion 12 of a drain plug mechanism 2 described later. The shaft 8 is pushed up to open and close alternately.

The other end of the remote operation release A is inserted into the drainage joint 7 in a watertight manner from a gasket 27 that is hooked to a drawer hole 17 that is opened in the middle of the drainage joint 7 as shown in FIG. It is inserted and connected to the operating part 12 of the drain plug mechanism 2.

The actuating part 12 of the drain plug mechanism 2 has a push-up shaft 8 inserted through the upper end of a hollow case 12a so as to be movable up and down, and a joint member c3 is screwed into the lower end to release the remote control release A. Connected to the end side, the case 12a is supported by a holder 12b.
This holder 12b extends support bracket pieces 12b '... radially from the case 12a, and the extended ends of the support bracket pieces 12b' ... are connected by an outer ring 12b ", and is horizontal from the upper edge of the outer ring 12b". It has a configuration in which a large ridge 9 protrudes outward.

A U-packing P is fitted to the flange 9 of the holder, and the U-packing P is in a positional relationship that exactly corresponds to the flange 7a of the drainage joint 7 and the lower end surface of the drain port member 101. .
The drainage stopper mechanism 2 is configured by supporting the stopper shaft 10 having the stopper lid 10a and the steady rest piece 10b in this order from above with the shaft 8 for pushing up.

  The drainage joint 7 is made of metal or synthetic resin, and a widespread product in which only the flange 7a is formed in a bent shape on the open edge is used.

Such a drain plug device A is shipped with the remote control release A, the operating portion 12 of the drain plug mechanism 2, the drain port member 101, the drain joint 7, the cap nut 102, the tightening nut 103 and the like assembled together. Is done.
Then, after removing the cap nut 102 and the tightening nut 103 at the construction site, as shown in FIG. 2, the tightening nut 103 is inserted so that the drain port member 101 is inserted into the drain port 100 from the inside of the water tank and then the packing is elastically pressed. And the drain port member 101 is attached to the bottom c2 of the water tank, and then the open end flange 7a is rotated in a state in which the drainage joint 7 is rotated in the circumferential direction so that the remote control release A faces the required pull-out direction. At the same time, a cap nut 102 that is hooked from below is connected to the drain port member 101 by screwing, and at the same time, the holder 12b is sandwiched in a watertight manner so as to press the U-packing P between the flange 7a and the lower end surface of the drain port member 101. Then, the operation part 12 of the drain plug mechanism 2 is attached.

Further, one end of the remote control release A is attached to the upper edge surface c1 of the basin, sink or the like and the spout SP by snap-fit SF before or after the connection of the drain joint 7 to the drain port member 101. The operation cylinder 11 is connected.
In FIG. 4, the same is true because one end of the remote operation release A is configured to be detachably engaged with the operation cylinder 11 attached to the spout SP with a snap fit SF. Reference numerals are assigned and specific description is omitted.

  Incidentally, in the drain plug device of the present invention, with respect to the connection between the one end side of the release wire and the operation portion, the conventional means for screwing the screw portion on the outer peripheral surface of the connection tube and screwing the screw portion to the operation tube for connection. It can be freely performed by appropriate means.

It is front sectional drawing which shows the use condition of this invention drain plug apparatus, and shows a plug opened state. It is an exploded view which shows the state before the assembly | attachment of a drain plug device, and shows a part notch. An enlarged front view showing the connection state between the operating portion and the connecting cylinder shows a half portion in section. It is front sectional drawing of a drain plug apparatus, and shows the state which connected the connection pipe | tube to the operation pipe | tube provided in the water tap metal fitting (spout). A partially cut-away view of the remote operation release is shown, showing a state before being connected to the working part of the drain plug mechanism. The enlarged perspective view of the principal part. The main part is shown, (a) is a plan view, (b) is a front view, and shows a half section in section.

Explanation of symbols

A: Release for remote operation 11: Operation cylinder 11c: Operation shaft c1: Upper edge surface SP: Water faucet fitting (spout) 101: Drainage port member 7: Drainage joint mechanism 2: Drainage faucet mechanism 12: Actuating part SF: Snap fit a4 : Connection cylinder 11a: Engagement groove 3: Engagement claw a4 ": Insertion guide protrusion 13: Claw part 11f: Upward and outward taper part 12b: Holder 9: 鍔 P: U packing 7: Drainage joint 7a: Flange c2: Aquarium bottom

Claims (2)

  Connect one end side of the release wire to the operation part, and insert the other end side of the release wire into the drainage joint connected to the drain port member at the bottom of the water basin, sink, etc. A drain plug device configured to connect and connect to a drain port member without rotating the drain joint, and to open and close the drain plug by transmitting the transmission force from the release wire to the operating unit by operation of the operation unit The drainage joint is connected to the drainage port member in a state where the holder for supporting the operating part of the drainage plug mechanism is placed on the flange of the drainage joint open edge, and the edge of the holder is connected to the flange of the drainage joint and the drainage port member A drain plug device, wherein the drain plug mechanism is attached to the lower end of the drain plug mechanism. The edge of the holder is configured with a hook, and a U-packing is fitted into the hook, and the U-packing is pressed at the time of connection to make the space between the drain port member and the holder and between the holder and the drainage joint watertight. The drain plug device according to claim 1.

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